of soldiers were sent to afghanistan as part of the surge. >>> for a look at morning road conditions on this holiday. flooding could cause problems on i-95 from d.c. into the carolinas. stormy along i-10 from houston to tallahassee. wet along i-90 in the dakotas. >> if you're flying, airport delays are possible, atlanta, miami, charlotte, memphis, st. louis, minneapolis, phoenix and las vegas. >> all over the place. >>> lot of fireworks displays are canceled in the south and southwest this fourth of july >> the reason, hot, dry weather, which means potentially dangerous fire conditions. >> reporter: canceled fireworks displays. all made worse by murderous heat and drought. dangerous temps over 110 scorched the southwest. a record 118 in phoenix. the mississippi valley right up to chicago, where these misting units were set up. in the nation's capital, they cooled off in public pools. get this on crystal mountain in washingtoning state, so much snow pack this week, they're celebrating the summer's hottest holiday on skis. >> loft tank tops. sunglasses. people are having a great time.